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Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <932184.1710871728@warthog.procyon.org.uk> References: <932184.1710871728@warthog.procyon.org.uk> To: "Liam R. Howlett" Cc: dhowells@redhat.com, maple-tree@lists.infradead.org, linux-mm@kvack.org Subject: And here's a GPF for you MIME-Version: 1.0 Date: Tue, 19 Mar 2024 19:59:37 +0000 Message-ID: <1034105.1710878377@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.6 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-ID: <1034104.1710878377.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 3A3921A001A X-Stat-Signature: zwh5uzigy466e8mh8y6tkazwo6f1r989 X-Rspam-User: X-HE-Tag: 1710878387-456842 X-HE-Meta: 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 ElVM0RUi VrR+U56pDC6CO9ZT1Cmm3Ik3vT4IrU/wmMhLp0Qb8w3JeFjsx8NbjwPp3LS0klq0ZR5C98LH6WJZaa36YHHpfcz/fxKbJ1lfFkrHXQmiqjniCod2BORCmpDIZn/EgwSbPj0RmIFXCxZlPN7jzALe+HA0W94jj3xsfZ8Ma X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: And now I got a GPF for you: general protection fault, probably for non-canonical address 0xff8881044d95= 0080: 0000 [#1] SMP PTI CPU: 2 PID: 6451 Comm: check Not tainted 6.8.0-build3+ #1657 Hardware name: ASUS All Series/H97-PLUS, BIOS 2306 10/09/2014 RIP: 0010:__kmem_cache_alloc_bulk+0x180/0x1e3 Code: 9c ff ff 4c 8b 44 24 08 84 c0 74 09 8b 43 28 31 f6 49 89 34 07 9c 5a = fa eb 36 8b 43 28 48 89 df 48 89 54 24 10 4c 89 44 24 08 <49> 8b 04 07 49 8= 9 00 4d 89 3a e8 66 9c ff ff 4c 8b 44 24 08 84 c0 RSP: 0018:ffff8881190f3b48 EFLAGS: 00010086 RAX: 0000000000000080 RBX: ffff888100045b00 RCX: ffff8881044d9350 RDX: 0000000000000286 RSI: 0000000000000cc0 RDI: ffff888100045b00 RBP: 0000000000000001 R08: ffff88840fb32d90 R09: 00000000ffffffc8 R10: ffff8881044d9358 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8881044d9350 R14: 0000000000000003 R15: ff8881044d950000 FS: 00007f2526d7b740(0000) GS:ffff88840fb00000(0000) knlGS:000000000000000= 0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c639329e28 CR3: 000000011cd8e002 CR4: 00000000001706f0 Call Trace: ? __die_body+0x1a/0x5b ? die_addr+0x38/0x51 ? exc_general_protection+0x229/0x25f ? asm_exc_general_protection+0x22/0x30 ? __kmem_cache_alloc_bulk+0x180/0x1e3 ? __kmem_cache_alloc_bulk+0x18f/0x1e3 ? __rmqueue_pcplist+0x75/0x16f kmem_cache_alloc_bulk+0xa7/0x184 mas_dup_build.constprop.0+0x120/0x210 __mt_dup+0x70/0xb9 dup_mmap+0x164/0x4f7 copy_process+0x7e1/0x1261 kernel_clone+0xa1/0x204 ? memcg_rstat_updated+0x1a/0x77 __do_sys_clone+0x65/0x8b do_syscall_64+0x86/0xe5 entry_SYSCALL_64_after_hwframe+0x6c/0x74 RIP: 0033:0x7f2526e5b8e7 Code: c3 66 90 f3 0f 1e fa 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 = bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff f= f 77 39 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007fffc77e2ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2526e5b8e7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007fffc77e2ff0 R08: 0000000000000000 R09: 0000000000000000 R10: 00007f2526d7ba10 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fffc77e3030 R15: 000055c639626140 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__kmem_cache_alloc_bulk+0x180/0x1e3 Code: 9c ff ff 4c 8b 44 24 08 84 c0 74 09 8b 43 28 31 f6 49 89 34 07 9c 5a = fa eb 36 8b 43 28 48 89 df 48 89 54 24 10 4c 89 44 24 08 <49> 8b 04 07 49 8= 9 00 4d 89 3a e8 66 9c ff ff 4c 8b 44 24 08 84 c0 RSP: 0018:ffff8881190f3b48 EFLAGS: 00010086 RAX: 0000000000000080 RBX: ffff888100045b00 RCX: ffff8881044d9350 RDX: 0000000000000286 RSI: 0000000000000cc0 RDI: ffff888100045b00 RBP: 0000000000000001 R08: ffff88840fb32d90 R09: 00000000ffffffc8 R10: ffff8881044d9358 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8881044d9350 R14: 0000000000000003 R15: ff8881044d950000 FS: 00007f2526d7b740(0000) GS:ffff88840fb00000(0000) knlGS:000000000000000= 0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c639329e28 CR3: 000000011cd8e002 CR4: 00000000001706f0 note: check[6451] exited with irqs disabled stack segment: 0000 [#2] SMP PTI CPU: 2 PID: 328944 Comm: (udev-worker) Tainted: G D 6.8.0-b= uild3+ #1657 Hardware name: ASUS All Series/H97-PLUS, BIOS 2306 10/09/2014 RIP: 0010:kmem_cache_alloc+0xd7/0x1c4 Code: 28 74 05 48 85 ed 75 19 45 89 e9 4c 89 f1 83 ca ff 44 89 e6 48 89 df = e8 04 ed ff ff 48 89 c5 eb 22 8b 43 28 48 89 ee 48 8b 3b <4c> 8b 7c 05 00 4= c 89 fa e8 bf b9 ff ff 84 c0 74 af 8b 43 28 41 0f RSP: 0018:ffff888104f1bb60 EFLAGS: 00010286 RAX: 0000000000000080 RBX: ffff888100045b00 RCX: 00000000001401f8 RDX: 0000000000000001 RSI: ff8881044d950000 RDI: 0000000000032d90 RBP: ff8881044d950000 R08: ffff88840fb32d90 R09: 0000000000000001 R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000002800 R13: 0000000000000100 R14: ffffffff81eaf543 R15: 0000000000000001 FS: 00007f69e0d12980(0000) GS:ffff88840fb00000(0000) knlGS:000000000000000= 0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559513d3e618 CR3: 0000000118ac0006 CR4: 00000000001706f0 Call Trace: ? __die_body+0x1a/0x5b ? die+0x30/0x49 ? do_trap+0x7a/0xfd ? do_error_trap+0x6e/0x98 ? exc_stack_segment+0x35/0x45 ? asm_exc_stack_segment+0x22/0x30 ? mas_alloc_nodes+0x76/0x16e ? kmem_cache_alloc+0xd7/0x1c4 mas_alloc_nodes+0x76/0x16e ? cgroup_rstat_updated+0x49/0xa5 mas_wr_node_store+0xa1/0x27b ? __slab_free+0x8c/0x233 ? drain_obj_stock+0xa8/0xc9 ? calculate_sigpending+0x2f/0x34 ? __memcg_slab_free_hook+0x9b/0xb3 ? __dequeue_signal+0xac/0xbc ? kmem_cache_free+0x114/0x154 ? mas_wr_node_walk+0xce/0xe5 mas_wr_modify+0x9e/0xc3 mas_store_gfp+0x5a/0xb4 do_vmi_align_munmap.isra.0+0x1c8/0x354 __vm_munmap+0x92/0xcf __x64_sys_munmap+0x17/0x1e do_syscall_64+0x86/0xe5 entry_SYSCALL_64_after_hwframe+0x6c/0x74 RIP: 0033:0x7f69e0f300fb Code: 73 01 c3 48 8b 0d 35 5d 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f = 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff f= f 73 01 c3 48 8b 0d 05 5d 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007fffa0000ac8 EFLAGS: 00000206 ORIG_RAX: 000000000000000b RAX: ffffffffffffffda RBX: 0000559513d35840 RCX: 00007f69e0f300fb RDX: 00000000ffffffff RSI: 0000000000c2dbec RDI: 00007f69df600000RBP: 00007= fffa0000ae0 R08: 0000000000000010 R09: 0000000000000000 R10: 00007fffa0000a50 R11: 0000000000000206 R12: 0000559513cbb0d8 R13: 00007fffa0000b90 R14: 0000559513cdba90 R15: 0000000000000000